diff options
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/IPO/ArgumentPromotion.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/ArgumentPromotion.cpp b/lib/Transforms/IPO/ArgumentPromotion.cpp index 1c739ad..dc61a88 100644 --- a/lib/Transforms/IPO/ArgumentPromotion.cpp +++ b/lib/Transforms/IPO/ArgumentPromotion.cpp @@ -282,7 +282,7 @@ bool ArgPromotion::isSafeToPromoteArgument(Argument *Arg, bool isByVal) const { // Because there could be several/many load instructions, remember which // blocks we know to be transparent to the load. - std::set<BasicBlock*> TranspBlocks; + SmallPtrSet<BasicBlock*, 16> TranspBlocks; AliasAnalysis &AA = getAnalysis<AliasAnalysis>(); TargetData &TD = getAnalysis<TargetData>(); @@ -304,7 +304,8 @@ bool ArgPromotion::isSafeToPromoteArgument(Argument *Arg, bool isByVal) const { // To do this, we perform a depth first search on the inverse CFG from the // loading block. for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI) - for (idf_ext_iterator<BasicBlock*> I = idf_ext_begin(*PI, TranspBlocks), + for (idf_ext_iterator<BasicBlock*, SmallPtrSet<BasicBlock*, 16> > + I = idf_ext_begin(*PI, TranspBlocks), E = idf_ext_end(*PI, TranspBlocks); I != E; ++I) if (AA.canBasicBlockModify(**I, Arg, LoadSize)) return false; |